using Newtonsoft.Json;
using ServerCore; using ServerBase;


using BEACON_GUID = System.String;
using META_ID = System.UInt32;
using USER_GUID = System.String;
using ITEM_GUID = System.String;
using Amazon.S3.Model;



namespace ServerCommon
{
    public class BeaconShopItemAttribute : ItemAttributeBase
    {
        [JsonProperty]
        public USER_GUID UserGuid { get; set; } = string.Empty;

        [JsonProperty]
        public BEACON_GUID BeaconGuid { get; set; } = string.Empty;

        [JsonProperty]
        public DateTime SellingFinishTime { get; set; } = new();

        [JsonProperty]
        public double PriceForUnit { get; set; } = 0.0;


        public BeaconShopItemAttribute(ItemBase owner, EntityBase entityOfOwnerEntityType)
            : base(owner, entityOfOwnerEntityType)
        {
        }

        public override void onClear()
        {
            base.onClear();

            UserGuid = string.Empty;
            BeaconGuid = string.Empty;
            ItemGuid = string.Empty;
            SellingFinishTime = new();
            PriceForUnit = 0;
        }

        public override EntityAttributeBase onCloned()
        {
            var owner = getOwner() as ItemBase;
            NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");

            var entity_of_owner_entity_type = getEntityOfOwnerEntityType();
            NullReferenceCheckHelper.throwIfNull(entity_of_owner_entity_type, () => $"entity_of_owner_entity_type is null !!!");

            var cloned = new BeaconShopItemAttribute(owner, entity_of_owner_entity_type);

            cloned.deepCopyFromBase(this);

            cloned.UserGuid = UserGuid;
            cloned.BeaconGuid = BeaconGuid;
            cloned.SellingFinishTime = SellingFinishTime;
            cloned.PriceForUnit = PriceForUnit;

            cloned.ItemGuid = ItemGuid;
            cloned.ItemMetaId = ItemMetaId;
            cloned.ItemStackCount = ItemStackCount;
            cloned.Level = Level;
            cloned.Attributes = Attributes.Select(x => x).ToList();
            cloned.EquipedIvenType = EquipedIvenType;
            cloned.EquipedPos = EquipedPos;

            return cloned;
        }

        public override IEntityAttributeTransactor onNewEntityAttributeTransactor()
        {
            var owner = getOwner() as ItemBase;
            NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");

            return new BeaconShopItemAttributeTransactor(owner);
        }

        public override async Task<(Result, DynamoDbDocBase?)> toDocBase(bool isForQuery = true)
        {
            var result = new Result();
            var err_msg = string.Empty;

            //=====================================================================================
            // Attribute => try pending Doc
            //=====================================================================================
            var try_pending_doc = getTryPendingDocBase() as BeaconShopItemDoc;
            if (null == try_pending_doc)
            {
                var to_copy_doc = new BeaconShopItemDoc(getOwnerEntityType(), BeaconGuid, UserGuid, ItemGuid);

                var origin_doc = getOriginDocBase<BeaconShopItemAttribute>();
                if (null != origin_doc)
                {
                    to_copy_doc.copyTimestampsFromOriginDocBase(origin_doc);
                }

                try_pending_doc = to_copy_doc;

                setTryPendingDocBase(try_pending_doc);
            }

            var to_copy_doc_attrib = try_pending_doc.getAttrib<BeaconShopItemAttrib>();
            NullReferenceCheckHelper.throwIfNull(to_copy_doc_attrib, () => $"to_copy_doc_attrib is null !!!");

            to_copy_doc_attrib.BeaconGuid = BeaconGuid;
            to_copy_doc_attrib.SellingFinishTime = SellingFinishTime;
            to_copy_doc_attrib.PriceForUnit = PriceForUnit;

            to_copy_doc_attrib.ItemGuid = ItemGuid;
            to_copy_doc_attrib.ItemMetaId = ItemMetaId;
            to_copy_doc_attrib.ItemStackCount = ItemStackCount;
            to_copy_doc_attrib.Level = Level;
            to_copy_doc_attrib.Attributes = Attributes.Select(x => x).ToList();
            to_copy_doc_attrib.EquipedIvenType = EquipedIvenType;
            to_copy_doc_attrib.EquipedPos = EquipedPos;

            if (false == isForQuery)
            {
                return (result, try_pending_doc);
            }

            //=====================================================================================
            // Doc QueryType 반영
            //=====================================================================================
            (result, var to_query_doc) = await applyDoc4Query(try_pending_doc);
            if (result.isFail())
            {
                return (result, to_query_doc);
            }

            return (result, to_query_doc);
        }

        public override bool copyEntityAttributeFromDoc(DynamoDbDocBase docBase)
        {
            var result = new Result();
            var err_msg = string.Empty;

            var to_cast_string = typeof(BeaconShopItemDoc).Name;

            var beacon_shop_doc_base = docBase as BeaconShopItemDoc;
            if (null == beacon_shop_doc_base)
            {
                err_msg = $"Failed to copyEntityAttributeFromDoc() !!!, beacon_shop_doc_base is null :{to_cast_string}";
                Log.getLogger().error(err_msg);
                return false;
            }

            //=====================================================================================
            // New Doc => Origin Doc
            //=====================================================================================
            syncOriginDocBaseWithNewDoc<BeaconShopItemAttribute>(beacon_shop_doc_base);

            //=====================================================================================
            // Doc => Attribute
            //=====================================================================================
            var doc_attrib = beacon_shop_doc_base.getAttrib<BeaconShopItemAttrib>();
            if (doc_attrib == null)
            {
                err_msg = $"Failed to get beacon_shop attrib : {nameof(BeaconShopItemAttrib)}";
                result.setFail(ServerErrorCode.EntityAttributeIsNull, err_msg);
                Log.getLogger().error(err_msg);
                return false;
            }

            UserGuid = doc_attrib.UserGuid;
            BeaconGuid = doc_attrib.BeaconGuid;
            SellingFinishTime = doc_attrib.SellingFinishTime;
            PriceForUnit = doc_attrib.PriceForUnit;

            ItemGuid = doc_attrib.ItemGuid;
            ItemMetaId = doc_attrib.ItemMetaId;
            ItemStackCount = doc_attrib.ItemStackCount;
            Level = doc_attrib.Level;
            Attributes = doc_attrib.Attributes.Select(x => x).ToList();
            EquipedIvenType = doc_attrib.EquipedIvenType;
            EquipedPos = doc_attrib.EquipedPos;

            return true;
        }

        public override Result onMerge(EntityAttributeBase otherEntityAttribute)
        {
            var owner = getOwner();
            NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");

            var result = new Result();
            var err_msg = string.Empty;

            if (null == otherEntityAttribute)
            {
                err_msg = $"Invalid Param !!!, otherEntityAttribute is null";
                result.setFail(ServerErrorCode.FunctionParamNull, err_msg);
                Log.getLogger().error(result.toBasicString());

                return result;
            }

            //=====================================================================================
            // OtherAttribute => Attribute
            //=====================================================================================
            var beacon_shop_attribute = otherEntityAttribute as BeaconShopItemAttribute;
            if (null == beacon_shop_attribute)
            {
                err_msg = $"Failed to cast Attribute !!!, beacon_shop_attribute is null";
                result.setFail(ServerErrorCode.ClassTypeCastIsNull, err_msg);
                Log.getLogger().error(result.toBasicString());

                return result;
            }

            UserGuid = beacon_shop_attribute.UserGuid;
            BeaconGuid = beacon_shop_attribute.BeaconGuid;
            SellingFinishTime = beacon_shop_attribute.SellingFinishTime;
            PriceForUnit = beacon_shop_attribute.PriceForUnit;

            ItemGuid = beacon_shop_attribute.ItemGuid;
            ItemMetaId = beacon_shop_attribute.ItemMetaId;
            ItemStackCount = beacon_shop_attribute.ItemStackCount;
            Level = beacon_shop_attribute.Level;
            Attributes = beacon_shop_attribute.Attributes.Select(x => x).ToList();
            EquipedIvenType = beacon_shop_attribute.EquipedIvenType;
            EquipedPos = beacon_shop_attribute.EquipedPos;

            //=====================================================================================
            // Attribute Try Pending Doc => Origin Doc
            //=====================================================================================
            var try_pending_doc = beacon_shop_attribute.getTryPendingDocBase() as BeaconShopItemDoc;
            if (null != try_pending_doc)
            {
                beacon_shop_attribute.resetTryPendingDocBase();

                syncOriginDocBaseWithNewDoc<BeaconShopItemAttribute>(try_pending_doc);
            }

            var origin_doc_base = getOriginDocBase<BeaconShopItemAttribute>();
            if (null == origin_doc_base)
            {
                // DB 에 저장되어 있지 않는 경우 OriginDoc은 null 이다 !!!
                return result;
            }

            var beacon_shop_attrib = origin_doc_base.getAttrib<BeaconShopItemAttrib>();
            NullReferenceCheckHelper.throwIfNull(beacon_shop_attrib, () => $"beaconshop_attrib is null !!! - {owner.toBasicString()}");

            beacon_shop_attrib.UserGuid = UserGuid;
            beacon_shop_attrib.BeaconGuid = BeaconGuid;
            beacon_shop_attrib.SellingFinishTime = SellingFinishTime;
            beacon_shop_attrib.PriceForUnit = PriceForUnit;

            beacon_shop_attrib.ItemGuid = ItemGuid;
            beacon_shop_attrib.ItemMetaId = ItemMetaId;
            beacon_shop_attrib.ItemStackCount = ItemStackCount;
            beacon_shop_attrib.Level = Level;
            beacon_shop_attrib.Attributes = Attributes.Select(x => x).ToList(); ;
            beacon_shop_attrib.EquipedIvenType = EquipedIvenType;
            beacon_shop_attrib.EquipedPos = EquipedPos;

            return result;
        }

        public class BeaconShopItemAttributeTransactor : ItemAttributeBaseTransactor<BeaconShopItemAttribute>
        {
            public BeaconShopItemAttributeTransactor(ItemBase owner)
                : base(owner)
            {
            }
        }
    }
}